female-to-male

Used other than figuratively or idiomatically: see female, to, male.

(LGBT) Transitioning or having transitioned from being physically female to being male.

(LGBT) Changing or having changed from having a female gender (gender identity or presentation) to being male.

(electronics, of an adapter) That changes a female end (usually a socket) of a connection into a male one (with pins, usually a plug).